Subscription pricing optimization is hard because it does not give immediate results. Changing your price will change your LTV and subscription-churn and results might be visible after one billing period, but usually much longer.

What do you use to track your product and marketing growth experiments? If you’re serious, you probably track it somehow. In Sheets, an internal knowledge base, or simply leaving it as it is in each A/B testing platform. It’s cheap and if you do less than, say, 50 experiments per year, it’s probably fine.